Alton demographics profile

StatisticAltonIowaNational
Population1,3253,106,589318,558,162
Population density (sq mi)6975591
Median age36.538.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)70%60%55%
Families w/ Kids under 1836%44%43%
Speak English93%92%79%
Speak Spanish7%4%13%
Alton, IA has a population of 1,325 and is the 13,439th largest city in the United States. The population density is 697 per sq mi which is 1176% higher than the Iowa average and 669% higher than the national average. The median age in Alton is 37 which is approximately 4% lower than the Iowa average of 38. In Alton, 70% of the population over 15 years of age are married, 93% speak English and 7% speak Spanish. 77% of Alton residents were born in Iowa, 19% were born out of state, 0% were born outside of the United States and 3% were foreign born.
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Did you know?

  • The population density in Alton is 1176% higher than Iowa.
  • The median age in Alton is 4% lower than Iowa.
  • In Alton 91.40% of the population is White.
  • In Alton 0.68% of the population is Black or African American.
  • In Alton 0.45% of the population is Asian.

Compare Alton, IA Demographics To Other Cities

Alton population breakdown by race

RaceAltonIowaNational
White91.40%90.90%73.35%
Black or African American0.68%3.32%12.63%
Asian0.45%2.14%5.22%
American Indian0.00%0.32%0.82%
Native Hawaiian0.00%0.08%0.18%
Mixed race1.51%1.97%3.06%
Other race5.96%1.27%4.75%
In Alton, 9.4% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Alton age breakdown

Marital status

Age of children in married couples

Source: The Alton, IA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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